Merge pull request #1854 from qlyoung/integer-standards-compliance

*: use C99 standard fixed-width integer types

diff --cc bgpd/bgp_mplsvpn.c
Simple merge

diff --cc bgpd/bgp_mplsvpn.h
Simple merge

diff --cc bgpd/bgp_vty.c
Simple merge

diff --cc bgpd/bgpd.c
Simple merge

diff --cc bgpd/bgpd.h
Simple merge